Select any active temporary number from TempNumber. USA, UK, and Canada numbers work best for Grindr.
Open Grindr, tap "Create Account", and enter the temporary phone number with the correct dial code.
Grindr will send an SMS to the temp number. Watch the TempNumber live inbox — the code appears within 20 seconds.
Enter the received code in Grindr and complete your profile setup. Your real number stays private throughout.